How long does it generally take for PayPal transactions to post/clear? Usually it is next business day, but it depends on the time of day they are submitted to the Fed. This is the case for any financial institution, not just 3Rivers. Have more questions? Submit a request 0 Comments Article is closed for comments. Related articles When can my PMI (Private Mortgage Insurance) be removed? What is 3Rivers routing number? How can I update my mailing address? How do I view my accounts? If I need to rush a payment, are there fees?